Senior/Lead Asterisk Developer
App DeveloperJob Overview
We’re looking for a Senior/Lead Asterisk Developer to help us build and scale a cloud PBX solution based on Asterisk.
The team is building a cloud PBX solution based on Asterisk. We expect you to have strong problem-solving skills, be self-motivated, initiative, and responsible.
Your daily duties will include implementing different SIP proxy features using Asterisk with respect to high availability and scalability.
You are not limited to Asterisk — we welcome you to be involved in all parts of a large ecosystem built around Asterisk.
You will work with automated CI/CD processes and get a chance to improve your knowledge in cloud infrastructure and networks.
We’re looking for a Senior/Lead Asterisk Developer to help us build and scale a cloud PBX solution based on Asterisk.
The team is building a cloud PBX solution based on Asterisk. We expect you to have strong problem-solving skills, be self-motivated, initiative, and responsible.
Your daily duties will include implementing different SIP proxy features using Asterisk with respect to high availability and scalability.
You are not limited to Asterisk — we welcome you to be involved in all parts of a large ecosystem built around Asterisk.
You will work with automated CI/CD processes and get a chance to improve your knowledge in cloud infrastructure and networks.
In this role, you will also:
- Design and implement advanced Asterisk dialplans.
- Debug and fix issues inside Asterisk core, modules, and C-based extensions.
- Analyze and interpret stack traces, crashes, memory issues, and performance bottlenecks.
- Implement patches, backports, or enhancements directly in Asterisk source code.
- Develop custom modules (C/C++), when needed.
- Apply deep understanding of SIP signaling, RTP, SDP negotiation, codecs, and NAT traversal.
- Troubleshoot SIP flows.
- Work with trunk groups, carriers, PSTN routing, and failover logic.
- Work with Linux systems (systemd, networking, tuning, kernel parameters).
- Work with Asterisk in cloud environments (AWS preferred).Participate in architecture decisions for resilient and scalable telephony clusters.
Join us if you:
- Have at least 7+ years of production experience with large-scale deployments (call servers with 60k+ active users).
- Have contributions in https://github.com/asterisk/asterisk/.
- Have experience with CI/CD, clouds, Linux & networking.
- Have a good level of English (B2 or higher).
- (For Lead level) Are ready to act as the technical lead for the Asterisk domain.
- (For Lead level) Can work cross-team with backend developers, infra/DevOps, QA, and product owners.
- (For Lead level) Own best practices, code quality, and documentation.
We are offer:
- Remote work flexibility – work from anywhere.
- B2B contract with competitive gross compensation in USD.
- Top-tier hardware to support your productivity.
- A challenging role in a team of skilled professionals.
- Continuous learning and career growth opportunities.
- Coverage for professional development: training, seminars, and conferences.
- Access to high-quality English lessons.